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ratelena [41]
2 years ago
6

A person who has a weakened immune system may not be able to fight against infection because

Biology
2 answers:
ra1l [238]2 years ago
8 0

Answer:

a.

Explanation:

pathogens may enter the body and cause illness.

Sholpan [36]2 years ago
7 0

Answer:

A is the answer to you question ED2020

Explanation:

this would be your answer guys !!

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A breed of finches are born with a variety of beak sizes. The birds with smaller beaks can eat smaller seeds. The finches with l
vovikov84 [41]

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subscribe to me on you-tube for brainliest custom link since u cant do a you-tube link :/

https://screenshare.host/B7N8NT

Explanation:

6 0
3 years ago
Where should a doctor look to see if the large intestine is working properly?
Arada [10]
The correct answer is letter A, Feces. A doctor must order a fecalysis, a procedure that checks the compounds that are found within the stool. This way the doctor would know if something is wrong with the patient's intestines and other digestive organs.
3 0
3 years ago
Read 2 more answers
Describe the function of the following organelles a. cell (plasma) membrane
BaLLatris [955]

Answer:

the answer is b

Explanation:

Because I'm learning science and I looked at the answer for a while

7 0
2 years ago
What is the main difference between weather and climate ?
tester [92]

Answer: A

Explanation:

Weather is short term climate is long term.

3 0
2 years ago
Explain how modern classification is different from linnaeus methods, and why scientists changed it
SCORPION-xisa [38]

The answer is that the criteria of classification change with the improved understanding of organisms around us. During the time of Aristotle, not much was known about the living organisms. So, he classified them as he observed. Plants were classified into herbs, shrubs and trees; very much like what’s taught to a second grade student. Animals as Enaima and Anaima based on the presence or absence of RBCs. After him, Carolus Linnaeus tried his hand over classification. He came up with the 2 kingdom classification: Plants and Animals. He considered only a set of morphological and physiological criteria to decide the kingdom to which an organism belongs. It includes presence of cell wall, mode of nutrition, contractile vacuole, locomotion and others. Based on these criteria, he included widely differing organisms into a single kingdom, for example, fungi, bacteria, algae, and higher plants were included into plant kingdom just because they have cell wall as a common aspect. Then came, Ernst Haeckel, who came with a third kingdom of Protista to include unicellular organisms. Copeland gave a 4 kingdom classification segregating unicellular organisms into 2 separate kingdoms based on their nuclear structure. R.H. Whittaker came next introducing the most accepted 5 kingdom classification system. You should understand one thing that man’s knowledge of classifying organisms improved with the improving technologies available to him, which he exploited to very effective extent. Carl Woese gave the 6 kingdom classification and 3 domain system based on the 16S rRNA sequence.

Our understanding of organisms around us is improving day by day and the system of classification will also change further in pace with the improvement in technology.

I hope this helps! :D]

~ Kana ^^

8 0
3 years ago
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